# todo 字符串转换成整数
num = "18"
print(type(num))
num1 = int(num)
print(type(num1))

# todo 将整数转换成字符串
num2 = 18
print(type(num2))
num3 = str(num2)
print(type(num3))

# todo 将字符串换成浮点数
num4 = "10.10"
print(type(num4))
num5 = float(num4)
print(type(num5))

#todo 将浮点数转换成字符串
num6 = 100.00
print(type(num6))
num7 = str(num6)
print(type(num7))
